Guru Nanak Dev, the founder of the Sikh faith, was born in the month of Kartik (October/November), and his birthday is known as Guru Nanak Jayanti. He was born in 1469 A.D. at Tolevandi some 30 miles from Lahore. The anniversaries of Sikh Guru's are known as Gurpurabs (festivals) and are celebrated with devotion and dedication.Guru nanak,The son of a Kshatriya (warrior) family, he studied Hinduism and Islam. He got married but then he abandoned his family and became an ascetic. Wandering for many years he came under the influence of both Hindus and Muslims (especially Sufi). The Muslim teacher Kabir (died in 1398) made a deep impression on Guru Nanak. He began preaching, "There is no Hindu, there is no Mussulman."